Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints ... socket joint is made up of a round end of one bone ...

They include bones, ligaments ... because of issues with your hip, ankle, or lower back. All of the sources of knee pain discussed below arise from the knee joint itself. In general, knee pain ...

A joint is held together by ligaments which give the joints their stability. Cartilage is found at the ends of bones and where joints meet. Tendons attach muscles to the skeleton. Synovial joints ...